发布网友 发布时间:10小时前
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热心网友 时间:9小时前
Our environment is very important for our lives . We need the fresh air, the clean water and so on . In the past, there were many trees around us ,the air was fresh and the river was clean.But now,people cut down many trees. Air pollution and water polloution are very serious . The environment around us becomes very terrible . We should protect our environment. First, we should plant many trees to keep water. Second , we can ride a bike or walk to the school and work.. Third , we shouldn’t throw the dirty water into the river . Fourth, we shouldn’t use the plastic bags. Finally, we can ask more people to join us.热心网友 时间:9小时前
Many people are concerned about the state of the planet in terms of its energy supplies and changing climate. We can protect the environment by: preventing pollution, recycling materials, looking after reserves of water and conserving energy.